In the mol-ecular structure of the title compound, C(20)H(19)Cl(2)NO, the bicyclic system adopts a twin-chair conformation with equatorial orientations of both substituents. The dihedral angle between the aromatic rings is 43.60 (2)° with respect to each other. The crystal structure is stabilized by weak N-H⋯O and strong C-H⋯O inter-actions.